Home / 145,156,676.60-217,593,297.30-129,851,175.80

Finding the Fourth Proportional to 145,156,676.60, 217,593,297.30 and 129,851,175.80

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Solution

The fourth proportional to 145,156,676.60, 217,593,297.30 and 129,851,175.80 is: 194,649,988.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,676.60 : 217,593,297.30 = 129,851,175.80 : x
  2. Step 2: Convert to fraction form
    145,156,676.60/217,593,297.30 = 129,851,175.80/x
  3. Step 3: Cross multiply
    145,156,676.60x = 217,593,297.30 × 129,851,175.80
  4. Step 4: Simplify right side
    145,156,676.60x = 28,254,745,500,603,968
  5. Step 5: Solve for x
    x = 28,254,745,500,603,968/145,156,676.60
  6. Step 6: Final answer
    x = 194,649,988.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.